. . . I've long felt this day would come.
My suggestion, for what it's worth, is to get hands-on experience with these calibers. Photos and diagrams are worthwhile up to a point, but they'll never transmit the tactility G O imbues into them. There's no need to make claims or comparisons . . . a few minutes of handling one in the metal is all anyone needs.
An image from my library . . .